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ACDelco 12R21 Engine Coolant Recovery Tank Cap


Brand:	ACDelco
Part Number:	12R21
UPC:	00707773058992
Weight:	0.12 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the ACDelco 12R21 Engine Coolant Recovery Tank Cap for your vehicle. Buy now and secure your purchase online!

ACDelco Professional, premium aftermarket Standard Type Radiator Caps seal and pressurize your vehicle's cooling system as the radiator transfers heat from your vehicle's engine coolant to the outside air, and are a high quality replacement for many vehicles on the road today. These standard type radiator caps are manufactured to meet your expectations for fit, form, and function. WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

ACDelco has a full line of high-quality thermostats and caps for nearly all GM vehicles on the road today. Through our GM OE and Professional, premium aftermarket product lines, our thermostats cover a wide range of designs and temperature ratings to meet your needs. We also offer GM OE and Professional, premium aftermarket fuel caps, radiator caps, and oil filler/breather caps to replace your worn GM Original Equipment.

When it comes to replacing your Thermostats and Caps, ACDelco offers a full line of Professional, premium aftermarket Thermostat and Cap products. In addition, ACDelco offers engine coolant thermostats, locking fuel caps, and standard type radiator caps to help make part replacement simple and precise. ACDelco Professional, premium aftermarket Thermostats and Caps fit both GM and Non GM vehicles.

Features and Benefits:

Helps seal and pressurize your vehicle's cooling system as the radiator transfers heat from the engine's coolant to the outside air
Manufactured to meet expectations for fit, form, and function
Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
– Lock cap into correct position to help prevent leakage and provide proper ventilation
– Regularly inspect cap for signs of damage or wear, and replace them if signs of damage are found

Specifications:

Color:

Black

Installation Type:

Threaded

Material:

Plastic

Pressure Release Lever:

Programming Required:

Vented:

YES

Manufacturer Warranty:

24 Months/Unlimited Miles Warranty (Parts Only). Please see ACDelco.com for more details

Select a vehicle to narrow ACDelco 12R21 Engine Coolant Recovery Tank Cap fitment info!

Last Updated: 12/03/2021

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Buick Commercial Chassis

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Buick Commercial Chassis

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Roadmaster

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Buick Roadmaster

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

2.4L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Buick Skylark

2.4L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Buick Skylark

3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

1995

Buick Skylark

2.3L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Buick Skylark

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

2.3L L4 Gas SOHC

1 Professional
Relief pressure 15 lb
Standard

Buick Skylark

2.3L L4 Gas SOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

3.3L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Buick Skylark

3.3L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Cadillac Commercial Chassis

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Cadillac Commercial Chassis

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Cadillac Fleetwood

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Cadillac Fleetwood

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Beretta

2.2L L4 Gas OHV,
3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Beretta

2.2L L4 Gas OHV,
3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Beretta

2.3L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Beretta

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Caprice

4.3L V8 Gas OHV,
5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Caprice

4.3L V8 Gas OHV,
5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Corsica

2.2L L4 Gas OHV,
3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Corsica

2.2L L4 Gas OHV,
3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Corvette

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Corvette

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Impala

5.7L V8 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Impala

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Malibu

2.4L L4 Gas DOHC,
3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Chevrolet Malibu

2.4L L4 Gas DOHC,
3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

2000

Ford F-550 Super Duty

7.3L V8 Diesel OHV Turbo

1 Professional
Relief pressure 15 lb
Standard

Ford F-550 Super Duty

7.3L V8 Diesel OHV Turbo Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

International 9200i SBA

12.5L 6 Diesel

1 Professional
Relief pressure 15 lb
Standard

International 9200i SBA

12.5L 6 Diesel Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

International 9200i SBA

10.8L L6 Diesel Turbo

1 Professional
Relief pressure 15 lb
Standard

International 9200i SBA

10.8L L6 Diesel Turbo Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

2004

International 9200i SBA

15.0L 6 Diesel

1 Professional
Relief pressure 15 lb
Standard

International 9200i SBA

15.0L 6 Diesel Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

International 9200i SBA

12.0L 6 Diesel Turbo,
14.6L L6 Diesel Turbo

1 Professional
Relief pressure 15 lb
Standard

International 9200i SBA

12.0L 6 Diesel Turbo,
14.6L L6 Diesel Turbo Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

2003

International 9200i SBA

10.3L L6 Diesel Turbo,
12.7L L6 Diesel Turbo/Aftercooled

1 Professional
Relief pressure 15 lb
Standard

International 9200i SBA

10.3L L6 Diesel Turbo,
12.7L L6 Diesel Turbo/Aftercooled Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

2003

International 9900i SFA

10.8L L6 Diesel Turbo,
12.7L L6 Diesel Turbo/Aftercooled

1 Professional
Relief pressure 15 lb
Standard

International 9900i SFA

10.8L L6 Diesel Turbo,
12.7L L6 Diesel Turbo/Aftercooled Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

2000

Mercedes-Benz C43 AMG

4.3L V8 Gas SOHC

1 Professional
Relief pressure 15 lb
Standard

Mercedes-Benz C43 AMG

4.3L V8 Gas SOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Mercury Monterey

4.2L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Mercury Monterey

4.2L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Achieva

2.4L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Achieva

2.4L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Achieva

3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Achieva

3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Achieva

2.3L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Achieva

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Achieva

2.3L L4 Gas SOHC

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Achieva

2.3L L4 Gas SOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Achieva

3.3L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Achieva

3.3L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Aurora

4.0L V8 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Aurora

4.0L V8 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Oldsmobile Cutlass

3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Cutlass

3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

1999

Oldsmobile Intrigue

3.5L V6 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Oldsmobile Intrigue

3.5L V6 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Pontiac Grand Am

2.4L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Pontiac Grand Am

2.4L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Pontiac Grand Am

3.1L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Pontiac Grand Am

3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Pontiac Grand Am

2.3L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Pontiac Grand Am

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Pontiac Grand Am

2.3L L4 Gas SOHC

1 Professional
Relief pressure 15 lb
Standard

Pontiac Grand Am

2.3L L4 Gas SOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Pontiac Grand Am

3.3L V6 Gas OHV

1 Professional
Relief pressure 15 lb
Standard

Pontiac Grand Am

3.3L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

1995

Pontiac Sunfire

2.2L L4 Gas OHV,
2.3L L4 Gas DOHC

1 Professional
Relief pressure 15 lb
Standard

Pontiac Sunfire

2.2L L4 Gas OHV,
2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

ACDelco 12R21 Engine Coolant Recovery Tank Cap

Product Information

Description:

Features and Benefits:

Specifications:

Manufacturer Warranty:

Select a vehicle to narrow ACDelco 12R21 Engine Coolant Recovery Tank Cap fitment info!

Buick Commercial Chassis 5.7L V8 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Buick Commercial Chassis

5.7L V8 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Roadmaster 5.7L V8 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Buick Roadmaster

5.7L V8 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Skylark 2.4L L4 Gas DOHC

1

ProfessionalRelief pressure 15 lb Standard

Buick Skylark

2.4L L4 Gas DOHC ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Skylark 3.1L V6 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Buick Skylark

3.1L V6 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Skylark 2.3L L4 Gas DOHC

1

ProfessionalRelief pressure 15 lb Standard

Buick Skylark

2.3L L4 Gas DOHC ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Skylark 2.3L L4 Gas SOHC

1

ProfessionalRelief pressure 15 lb Standard

Buick Skylark

2.3L L4 Gas SOHC ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Skylark 3.3L V6 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Buick Skylark

3.3L V6 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Cadillac Commercial Chassis 5.7L V8 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Cadillac Commercial Chassis

5.7L V8 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Cadillac Fleetwood 5.7L V8 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Cadillac Fleetwood

5.7L V8 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Chevrolet Beretta 2.2L L4 Gas OHV,3.1L V6 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Chevrolet Beretta

2.2L L4 Gas OHV,3.1L V6 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Chevrolet Beretta 2.3L L4 Gas DOHC

1

ProfessionalRelief pressure 15 lb Standard

Chevrolet Beretta

2.3L L4 Gas DOHC ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Chevrolet Caprice 4.3L V8 Gas OHV,5.7L V8 Gas OHV

1

ProfessionalRelief pressure 15 lb Standard

Chevrolet Caprice

4.3L V8 Gas OHV,5.7L V8 Gas OHV ProfessionalRelief pressure 15 lb Standard 1 Per Vehicle

Buick Commercial Chassis

5.7L V8 Gas OHV

Professional
Relief pressure 15 lb
Standard

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Roadmaster

5.7L V8 Gas OHV

Professional
Relief pressure 15 lb
Standard

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

2.4L L4 Gas DOHC

Professional
Relief pressure 15 lb
Standard

2.4L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

3.1L V6 Gas OHV

Professional
Relief pressure 15 lb
Standard

3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

2.3L L4 Gas DOHC

Professional
Relief pressure 15 lb
Standard

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

2.3L L4 Gas SOHC

Professional
Relief pressure 15 lb
Standard

2.3L L4 Gas SOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Buick Skylark

3.3L V6 Gas OHV

Professional
Relief pressure 15 lb
Standard

3.3L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Cadillac Commercial Chassis

5.7L V8 Gas OHV

Professional
Relief pressure 15 lb
Standard

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Cadillac Fleetwood

5.7L V8 Gas OHV

Professional
Relief pressure 15 lb
Standard

5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Beretta

2.2L L4 Gas OHV,
3.1L V6 Gas OHV

Professional
Relief pressure 15 lb
Standard

2.2L L4 Gas OHV,
3.1L V6 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Beretta

2.3L L4 Gas DOHC

Professional
Relief pressure 15 lb
Standard

2.3L L4 Gas DOHC Professional
Relief pressure 15 lb
Standard

1 Per Vehicle

Chevrolet Caprice

4.3L V8 Gas OHV,
5.7L V8 Gas OHV

Professional
Relief pressure 15 lb
Standard

4.3L V8 Gas OHV,
5.7L V8 Gas OHV Professional
Relief pressure 15 lb
Standard

1 Per Vehicle